ddr4 training PASS，已经成功了，uuu烧写uboot还是失败
U-Boot SPL 2018.03 (Oct 21 2020 - 09:41:58 +0800)
power_bd71837_init
DDRINFO: start lpddr4 ddr init
DRAM PHY training for 3000MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 400MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 100MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DRAM PHY training for 3000MTS
check ddr4_pmu_train_imem code
check ddr4_pmu_train_imem code pass
check ddr4_pmu_train_dmem code
check ddr4_pmu_train_dmem code pass
Training PASS
DDRINFO:ddrphy calibration done
DDRINFO: ddrmix config done
Normal Boot
Trying to boot from USB SDP
"Synchronous Abort" handler, esr 0x96000000
elr: 00000000007e5960 lr : 00000000007e58b8
x0 : 005380733948775c x1 : 00538072f728676d
x2 : 0000000042200010 x3 : 00000000007f5e08
x4 : 00000000007f5df8 x5 : fffffffffffffff8
x6 : 0000000000000000 x7 : 000000000091de38
x8 : 000000000091dcc0 x9 : 0000000000000002
x10: 00000000ffffffd0 x11: 0000000000000006
x12: 000000000001869f x13: 0000000000000008
x14: 000000000090e558 x15: 00000000ffffffff
x16: 0000000000000000 x17: 0000000000000005
x18: 000000000091de40 x19: 0000000000000ff0
x20: 0000000000001000 x21: 0000000042200ff0
x22: 0000000000000310 x23: 0000000000000300
x24: 00000000007f0e58 x25: 00000000007f7000
x26: 00000000deadbeef x27: 0000000000000000
x28: 0000000000000000 x29: 000000000091dca0
Resetting CPU ...
resetting ...
